MORE OHIO NEWS

Here is the latest Ohio news from The Associated Press
Cleveland man gets 24 years for bank robbery
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Brothers charged in death of teen who stole bike
Ohio man dies in Montana bicycle crash
Site selling items from convicted priest's funeral
Music aside, Queen of Soul is pumped for fair food
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Ohio base pressured to fill more hospital beds
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Call center brings 900 jobs to central Ohio
Teacher facing child endangering charge resigns
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2 men die in shooting at Columbus home
Cincinnati Zoo celebrates International Tiger Day
Firefighter in stadium lightning strike now stable
Sailor aboard Va.-based destroyer dies
US officials promoting job training grants in Ohio
All tickets claimed for LeBron's homecoming show
Ex-mentor at center gets 44 years for sexual abuse
Ohio lawmakers want Common Core standards repealed
US citizen accused of bribes extradited from Iraq
Expansion to add 214 auto-parts jobs in Ohio
Ohio woman sentenced in W.Va. embezzlement



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OIL DRILLING-EARTHQUAKES
Answers to key questions on link between drilling industry's injection wells and earthquakes

Reported by: Associated Press
Reported: Monday, July 14, 2014 5:16 PM EDT
FORT WORTH, Texas


States where hydraulic fracturing is taking place are experiencing unprecedented earthquake activity.

The drilling method involves sending high-pressure blasts of water, sand and chemicals into deep shale rock formations to free up oil and gas. The process produces millions of gallons of wastewater which operators send underground into injection wells.

Scientists are researching whether these injections are causing quakes.

A study published earlier this month in the journal Science suggests that just four injection wells in Oklahoma have caused about 20 percent of the quakes from the eastern border of Colorado to the Atlantic coast since 2008.

However, seismologists and the oil and gas industry stress that the number of earthquakes tied to injection wells is small relative to the thousands of wells in operation in recent decades.










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